Hello, Sheeraj. You always have such great questions! First, I want to clarify that, technically speaking, there is no such thing as "700" level question. Remember, your individual quant and verbal scores are on a 0-60 score scale, not a 200-800 scale.

That said, it sounds as if you are asking if it is possible to get a score that is higher than the level of questions you are answering correctly. The scoring algorithm is constantly adjusting to assess your reasoning level. So you will likely receive some questions that are at a higher level than that which you are performing. Your score will reflect the difficulty level of the questions you are able to answer, not just the level of questions you receive.

I had one more question.In gmatprep question pack(quant section),there are 3 levels.Easy,medium and hard.Do these question types indicate levels?
I mean does it mean medium is from 600-700 level or say 500-600 whereas hard questions are 700+ level?